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Last month the Home Secretary criticised Kevin Hurley for "attacking" the leadership of Lynne Owens, the new head of the National Crime Agency.
Mr Hurley has written to Mrs May three times demanding an apology for "totally untrue" and "damaging" comments.
The Home Secretary said she disagreed with his interpretation of her remarks.
The correspondence - obtained by BBC News under the Freedom of Information Act - demonstrates the independent PCC's anger over the issue and how strained his relationship with Mrs May has become.
In his first letter to her, on 11 February, Mr Hurley said: "As a consequence of the very grave allegations made... and the extensive coverage in the media... it is essential that you now publish a full and unqualified apology to me."
In the Home Secretary's reply, 12 days later, she wrote: "I am sorry that you have chosen to take issue with a small section of my speech," adding: "I strongly disagree with your characterisation of my comments."
Mrs May said Mr Hurley's comments about the appointment of Ms Owens "helped to fan the flames of the media's reporting of this issue".
Surrey's PCC sent a further letter to the Home Secretary calling again for an apology, but her reply stated she had "nothing further to add".
Mr Hurley wrote a third time, last week, and again Mrs May responded by saying she had nothing more to add on the issue.
A row has broken out between Theresa May and Surrey's Police and Crime Commissioner after she suggested he had given PCCs a "bad name".

Coloured LED lighting was installed in 2013, allowing it to be lit up to mark significant dates or achievements.
The last 18 months have seen a big rise in requests to light the building up from support groups, in relation to medical conditions or diseases.
A report said the council was unable to recognise all of these, and that all should be refused under a new policy.
If the lighting was used too frequently, "the overall impact is diminished", added the report.
The details were outlined as part of a report submitted to Belfast City Council's Strategic and Policy Resources Committee.
Councillors on the committee are set to discuss the proposed policy on Friday.
The building is currently illuminated on 10 agreed days during the year, but the council also considers requests from charities and significant anniversaries.
The report said: "It is clear from social media and tourist feedback that the system has demonstrably enhanced the City Hall's image as a notable landmark."
However, it added that the new lighting had also resulted in "a significant number of requests for access of types not foreseen when the system was implemented".
The report said a total of 203 requests had been received in addition to the agreed list of recognised days since the system went live in 2013.
It said many of the requests were for "very worthy and important causes and very emotive issues".
But it said there were now more than 140 such diseases, conditions and other special days currently recognized internationally by the United Nations.
The report said it "would clearly not be possible to recognise all of these, so clear criteria are needed".
Councillors are being asked to approve new criteria for requests to light up Belfast City Hall.

Shortly after his untimely death from cancer on 5 March 2013 - and just days before the presidential election that saw Mr Maduro elected by the narrowest of margins - I visited the charismatic socialist leader's stronghold of 23 de Enero in Caracas.
Inside her government-built apartment, local Socialist Party (PSUV) women's cooperative leader Judith Vegas fought back the tears at the mere mention of Hugo Chavez.
His death was as raw to her as the loss of a member of her own family.
But when it came to his chosen successor, her attitude noticeably hardened.
She would vote for Mr Maduro as Mr Chavez had asked, she said, but he wasn't guaranteed her unflinching support simply because he had been by Chavez's side.
Fast-forward two years, and even committed "Chavistas" like Judith are losing the faith.
In a recent poll, President Maduro's popularity rate had dropped to just 22%.
Nicolas Maduro:
Venezuela's leader Nicolas Maduro divides opinion
"I have to be honest, I haven't felt the same since Chavez died and I haven't seen any results from Maduro," Ms Vegas tells me from Caracas.
Furthermore, she thinks he is losing his grip in places like 23 de Enero.
"He's letting it get out of his hands, he's losing control," the cooperative leader says, referring to a combustible combination of a worsening security situation and widespread economic chaos.
The latest high-profile victim of that violence is Kluiver Roa Nunez.
The 14-year-old was killed after being shot in the head with a rubber bullet by a police officer in Tachira state as he took part in a protest over food shortages and long queues at supermarkets.
The policeman in question had been arrested and an investigation launched, the government said.
The levels of inflation in Venezuela remain among the highest in the world, meanwhile the government is trying to rein in the country's labyrinthine multiple exchange-rate system.
The dollar recently hit 220 bolivars on the black market, a vast distance from the 6.3 bolivars or even the 177 bolivars (depending on the rate available) that the government says it is worth.
Perhaps trying to emulate an oft-used Chavez tactic when facing tough times, Mr Maduro has gone on the offensive.
He has accused the US of waging an economic war on the nation and of fostering plans for a coup against him.
He has also arrested the opposition Mayor of Caracas, Antonio Ledezma, for his alleged role in widespread violent protests last year in which 43 people died.
Mr Maduro said Mr Ledezma would have to answer for "all the crimes committed against the country's peace, security and constitution".
Given that another opposition figure, Leopoldo Lopez, has been in jail for over a year now with still no verdict in his case, Mr Ledezma may find that he faces the prospect of many months behind bars.
The situation has even provoked Pope Francis, a Latin American of course, to call for peace and dialogue.
Pressure is growing on regional groups, such as the Union of South American Nations (Unasur), to speak out about Venezuela.
In many ways, though, the seeds of the current crisis were sown long before Mr Maduro took over the reins of power.
The oil price - the motor of the Venezuelan economy - has plummeted since he came to power, and it's increasingly clear that the structures in place to cope with these less plentiful times are inadequate and corrupt.
As it was two years ago, this is an election year in Venezuela, with parliamentary elections due in a few months.
"I have heard many, many Chavistas say 'Chavez si, Maduro no,'" says Ms Vegas.
Does she share that view?
"A little, yes," she admits sheepishly, though she is quick to reiterate that - for her at least - that doesn't equate to voting for the opposition.
But it's the first time I've ever heard her deviate from the PSUV line.
One wonders how many less-committed Chavistas have already abandoned President Maduro altogether.

It was clear from the very start that many Chavez supporters weren't so sure about Nicolas Maduro.

